Explanation
L.I. To write an explanation with a growing understanding of the deeper features & surface features appropriate to genre

**Explanation - Content/Ideas

S.C. I have used diagrams/images to support my explanation. I can hear and see that all of my information relates to explaining how the heart works.


Features of an Explanation
The Heart and Cardiovascular System

How does the Heart and Cardiovascular System Work?

Identify Purpose/Audience
Purpose is to explain how the cardiovascular system works
Audience, people wanting to find out information
about the cardiovascular system e.g student doing research

<Heading**

  1. Statement or Question to be explained
  • How does the Heart & Cardiovascular System Work.

  1. Explanation arranged in sequence of steps
  • Heart = Muscle
  • 2 pumps atrium & ventricle
  • Brain sends a signal
  • Right ventricle = fresh blood to veins & arteries
  • Left ventricle = old blood, back to lungs for new oxygen
  • Heart pumps automatically
  • Heart rate increases with exercise or nervousness

Time Connectives
First, Secondly, Then, Next, After that,

Timeless present tense/Passive Voice
e.g. The heart pumps.. , Blood flows from .. ,
The brain sends..,

Exact details

e.g. When exercising a persons heart rate increases ..

Technical Terms
Circulatory system, heart, ventricles, atrium, brain, blood, etc